Ecoist put to the test

One lap of Lake Constance in the Cayenne S E-Hybrid – and the full distance with minimum fuel consumption. The SUV from Porsche gave proof of its low emission levels during an eco rally.

It is the first plug-in hybrid in the premium SUV segment: the Porsche Cayenne S E-Hybrid. An eco rally gave representatives of the media from Germany, Switzerland and Austria the opportunity to test the vehicle under real-life conditions. In addition to stretches of motorway, the route covering a total of 333 kilometres passed through urban areas, up and down mountains and along country roads, and required two battery charge cycles.

The test drivers’ task was to find the correct balance between combustion engine and electric drive. They therefore had to master sections of the circuit in a specified time, without using up too much fuel during the process. The result was that all participants achieved an average consumption of around five litres with the 2.3-tonne SUV. “And this was not in a compact car or a scaled-down diesel but in a vehicle that is both a sports car and an SUV with system output of more than 400 hp”, as Stefan Pabeschitz of the Tiroler Tageszeitung was keen to point out. But see for yourself:

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  • 8.2 l/100km
  • 186 g/km


Fuel consumption/Emissions*
Fuel consumption* combined 8.2 l/100km
CO2 emissions* combined 186 g/km
  • 10.1 - 9.7 l/100km
  • 231 - 222 g/km

911 Carrera 4S

Fuel consumption/Emissions*
Fuel consumption* combined 10.1 - 9.7 l/100km
CO2 emissions* combined 231 - 222 g/km